Facebook CEO Mark Zuckerberg kicks off his F8 keynote by introducing a revamped profile page the company calls Timeline, "the story of your life on a single page." He also talks Ticker, media sharing, and more using Open Graph apps. Join CNET for live coverage.

The speakers at Facebook's developers conference offer another hint of what to expect. Major announcements could possibly include a complete rewrite of the Facebook platform that developers can use to build new social apps.